| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.7 | 45.8 | 55.7 | 64.3 | 73.5 | 82.9 | 91.9 | 91.2 | 80.3 | 67.4 | 50.0 | 39.4 | 65.1 |
| Highest Mean Max. Temperature (F) | 46.3 | 54.0 | 63.3 | 73.9 | 82.0 | 91.2 | 97.2 | 97.6 | 87.8 | 77.2 | 57.0 | 47.1 | 97.6 |
| Year Highest Occurred | 1999 | 1995 | 1992 | 1987 | 1992 | 1986 | 1985 | 1971 | 1990 | 1988 | 1999 | 1977 | 1971 |
| Lowest Mean Max. Temperature (F) | 27.6 | 33.5 | 49.2 | 54.3 | 66.4 | 76.5 | 82.1 | 83.1 | 71.4 | 62.2 | 41.6 | 25.0 | 25.0 |
| Year Lowest Occurred | 1979 | 1989 | 1993 | 1975 | 1977 | 1993 | 1993 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 30.3 | 36.1 | 43.8 | 50.6 | 58.7 | 66.7 | 73.6 | 72.8 | 63.6 | 52.8 | 39.8 | 30.9 | 51.6 |
| Highest Mean Temperature (F) | 37.2 | 42.5 | 49.0 | 55.9 | 64.5 | 72.7 | 78.2 | 77.5 | 69.4 | 60.7 | 44.2 | 39.5 | 78.2 |
| Year Highest Occurred | 1998 | 1995 | 1986 | 1990 | 1992 | 1986 | 1994 | 1971 | 1990 | 1988 | 1995 | 1977 | 1994 |
| Lowest Mean Temperature (F) | 17.0 | 22.7 | 38.2 | 44.0 | 54.2 | 62.7 | 65.9 | 67.8 | 56.7 | 49.1 | 31.2 | 15.4 | 15.4 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1993 | 1993 | 1976 | 1985 | 1985 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 21.8 | 26.3 | 31.8 | 36.9 | 43.9 | 50.5 | 55.3 | 54.4 | 46.9 | 38.2 | 29.5 | 22.3 | 38.2 |
| Highest Mean Min. Temperature (F) | 29.4 | 32.3 | 36.5 | 39.7 | 47.2 | 55.0 | 60.2 | 58.7 | 53.0 | 44.2 | 35.7 | 32.0 | 60.2 |
| Year Highest Occurred | 1981 | 1978 | 1986 | 1992 | 1993 | 1992 | 1994 | 1991 | 1998 | 1988 | 1983 | 1977 | 1994 |
| Lowest Mean Min. Temperature (F) | 6.4 | 11.8 | 26.5 | 33.1 | 40.6 | 46.8 | 49.6 | 48.5 | 41.9 | 34.3 | 20.5 | 5.9 | 5.9 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1982 | 1974 | 1976 | 1993 | 1987 | 1985 | 1999 | 1993 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.12 | 0.83 | 0.98 | 0.94 | 1.09 | 0.94 | 0.51 | 0.47 | 0.51 | 0.60 | 0.92 | 1.09 | 10.00 |
| Highest Precipitation (in.) | 5.24 | 2.76 | 2.61 | 3.37 | 4.96 | 2.48 | 1.82 | 2.70 | 1.61 | 2.36 | 2.40 | 3.53 | 5.24 |
| Year Highest Occurred | 2000 | 1986 | 1983 | 1978 | 1998 | 1975 | 1995 | 1979 | 1980 | 1991 | 1981 | 1983 | 2000 |
| Lowest Precipitation (in.) | 0.12 | 0.04 | 0.11 | 0.06 | 0.16 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | 0.00 |
| Year Lowest Occurred | 1990 | 1997 | 1994 | 1977 | 1975 | 1974 | 1999 | 1994 | 1999 | 1988 | 1986 | 1989 | 1999 |
| Heating Degree Days (F) | 1078. | 811. | 659. | 433. | 210. | 63. | 11. | 17. | 125. | 380. | 757. | 1059. | 5603. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 16. | 115. | 278. | 259. | 83. | 2. | 0. | 0. | 754. |